Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal ?

Related Mcqs:

Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?

A. Thermosphere B. Troposphere C. Stratosphere D. None of these...

Removal of ______________ is accomplished by aeration of water?

A. Dissolved gases B. Suspended solids C. Dissolved solids D. None of these...

Pollution by particulate matter emission in the atmosphere does not take place during metal____________________?

A. Grinding B. Machining C. Cutting D. Polishing...

Which is the most widely used coagulant for the treatment of turbid water ?

A. Alum (aluminium sulphate) B. Lime C. Ferric chloride D. Sodium aluminate...

‘Particulate’ air pollutants are finely divided solids and liquids. Which of the following is not a „particulate‟ ?

A. Dust & mists B. Smoke & fumes C. Photochemical smog & soot D. None of these...